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2ba45a60 DM |
1 | /* |
2 | * ALAC encoder and decoder common data | |
3 | * | |
4 | * This file is part of FFmpeg. | |
5 | * | |
6 | * FFmpeg is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2.1 of the License, or (at your option) any later version. | |
10 | * | |
11 | * FFmpeg is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with FFmpeg; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #ifndef AVCODEC_ALAC_DATA_H | |
22 | #define AVCODEC_ALAC_DATA_H | |
23 | ||
24 | #include <stdint.h> | |
25 | ||
26 | enum AlacRawDataBlockType { | |
27 | /* At the moment, only SCE, CPE, LFE, and END are recognized. */ | |
28 | TYPE_SCE, | |
29 | TYPE_CPE, | |
30 | TYPE_CCE, | |
31 | TYPE_LFE, | |
32 | TYPE_DSE, | |
33 | TYPE_PCE, | |
34 | TYPE_FIL, | |
35 | TYPE_END | |
36 | }; | |
37 | ||
38 | #define ALAC_MAX_CHANNELS 8 | |
39 | ||
40 | extern const uint8_t ff_alac_channel_layout_offsets[ALAC_MAX_CHANNELS][ALAC_MAX_CHANNELS]; | |
41 | ||
42 | extern const uint64_t ff_alac_channel_layouts[ALAC_MAX_CHANNELS + 1]; | |
43 | ||
44 | extern const enum AlacRawDataBlockType ff_alac_channel_elements[ALAC_MAX_CHANNELS][5]; | |
45 | ||
46 | #endif /* AVCODEC_ALAC_DATA_H */ |